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  <title>设置/获取 HTTP 输出字符编码</title>
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      <li style="float: left;"><a href="function.mb-http-input.html">« mb_http_input</a></li>
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    <li><a href="ref.mbstring.html">多字节字符串 函数</a></li>
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  <div id="layout-content"><div id="function.mb-http-output" class="refentry">
 <div class="refnamediv">
  <h1 class="refname">mb_http_output</h1>
  <p class="verinfo">(PHP 4 &gt;= 4.0.6, PHP 5, PHP 7, PHP 8)</p><p class="refpurpose"><span class="refname">mb_http_output</span> &mdash; <span class="dc-title">设置/获取 HTTP 输出字符编码</span></p>

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 <div class="refsect1 description" id="refsect1-function.mb-http-output-description">
  <h3 class="title">说明</h3>
  <div class="methodsynopsis dc-description">
   <span class="methodname"><strong>mb_http_output</strong></span>(<span class="methodparam"><span class="type">string</span> <code class="parameter">$encoding</code><span class="initializer"> = mb_http_output()</span></span>): <span class="type"><a href="language.types.declarations.html#language.types.declarations.mixed" class="type mixed">mixed</a></span></div>

  <p class="para rdfs-comment">
   设置/获取 HTTP 输出字符编码。此函数被调用之后输出的内容会被转换成 <code class="parameter">encoding</code>。
  </p>
 </div>


 <div class="refsect1 parameters" id="refsect1-function.mb-http-output-parameters">
  <h3 class="title">参数</h3>
  <p class="para">
   <dl>
    
     <dt>
<code class="parameter">encoding</code></dt>

     <dd>

      <p class="para">
       如果设置了 <code class="parameter">encoding</code>，<span class="function"><strong>mb_http_output()</strong></span> 设置 HTTP 输出字符编码为 <code class="parameter">encoding</code>。
      </p>
      <p class="para">
       如果省略了 <code class="parameter">encoding</code>，<span class="function"><strong>mb_http_output()</strong></span> 返回当前的 HTTP 输出字符编码。
      </p>
     </dd>

    
   </dl>

  </p>
 </div>

 
 <div class="refsect1 returnvalues" id="refsect1-function.mb-http-output-returnvalues">
  <h3 class="title">返回值</h3>
  <p class="para">
   如果省略了 <code class="parameter">encoding</code>，<span class="function"><strong>mb_http_output()</strong></span> 返回当前的 HTTP 输出字符编码。
   否则成功时返回 <strong><code>true</code></strong>， 或者在失败时返回 <strong><code>false</code></strong>。
  </p>
 </div>


 <div class="refsect1 seealso" id="refsect1-function.mb-http-output-seealso">
  <h3 class="title">参见</h3>
  <p class="para">
   <ul class="simplelist">
    <li class="member"><span class="function"><a href="function.mb-internal-encoding.html" class="function" rel="rdfs-seeAlso">mb_internal_encoding()</a> - 设置/获取内部字符编码</span></li>
    <li class="member"><span class="function"><a href="function.mb-http-input.html" class="function" rel="rdfs-seeAlso">mb_http_input()</a> - 检测 HTTP 输入字符编码</span></li>
    <li class="member"><span class="function"><a href="function.mb-detect-order.html" class="function" rel="rdfs-seeAlso">mb_detect_order()</a> - 设置/获取 字符编码的检测顺序</span></li>
   </ul>
  </p>
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